Pumpkin Possessor

Bestow {2}{b}{b} (If you cast this card for its bestow
cost, it's an Aura spell with enchant creature. It
becomes a creature again if it's not attached to a
creature.)
{2}, {t}, Sacrifice Pumpkin Possessor: You gain 3
life. If Pumpkin Possessor is attached to a
creature, sacrifice enchanted creature.
Enchanted creature gets +1/+1.